Currently can hold a max of 150 frames at resolution=10 Uses a python script to extract frames from an image, and another to look at every nth pixel so the overall list is smaller. Scratch doesn't love big lists but turbowarp works just fine.
Video from https://www3.cde.ca.gov/download/rod/videosample1.html Github to generate your own data: https://github.com/Argetlam3/ScratchVideoPlayer/tree/main